2829 backend developer English-speaking jobs in Warsaw

Developers interested in transitioning to Golang from other backend languages! ... continues to grow rapidly, we’re thrilled to announce that, for the first time, we’re seeking Senior Backend ... Core RequirementsOver 4 years of experience in backend development.Preferably with a background in Python

What you’ll be working on Designing, estimating, and implementing both frontend and backend architecture ... and any kind of SQL-based database; Docker management; Experience in writing or leading the NestJS backend

Overview We are looking for a Full-Stack Developer to join our team! ... : Expertise in .NET 6, .NET Core, ASP.NET Core Backend: Solid understanding of design patterns (GoF, ... Analyzing and improving existing features Developing key product functionality on both frontend and backend ... Analyzing and improving existing features Developing key product functionality on both frontend and backend ... Frontend: Experience with Angular Material and Bootstrap Frontend: Knowledge of design patterns (optional) Backend

We are looking for a skilled Backend Developer to lead the development and integration efforts in close ... Role responsibilities Design and implement a robust backend service using Java or Kotlin (Spring Boot ... a maintenance role post-launch (≤50% workload) Ideal Candidate Proven experience building scalable backend ... As part of this initiative, we are building a cutting-edge backend service that seamlessly connects Databricks

chain that processes network configuration files.Design, build, and maintain scalable, high-performance backend ... Minimum 5 years of experience in backend developmentStrong focus on code quality – Clean Code principles

Unfortunately, remote setup is not possible.As a Backend Spark & Scala developer, your mission will be

integration products that provide essential features used across many other SumUp products.You're a developer ... You bring backend expertise and thrive in a high-impact environment where your work directly supports ... to maintain high code quality standardsYou’ll thrive in this role if:You have 5+ years experience in backend

Join to apply for the Fullstack Developer role at Fundraise Up.HighlightsLocation: Remote (CET hours ... a team where quality, mentorship, and mutual respect come first.About the RoleAs a Senior Fullstack Developer ... standalone SPA), donor, organization, and partner portals, admin tools, and several internal apps.Our backend ... prototypes).Expert-level proficiency with React and its ecosystem (familiarity with Vue is a plus).Strong backend ... mission-driven, high-impact engineering culture.What You’ll DoDesign, build, and maintain resilient frontend and backend

Required Experience: 10+ years of experience in software engineering, with at least 5 years working as a backend ... Familiarity with developer tooling, developer experience optimisation, or DevOps practices. ... Work closely with DevOps and Developer Experience teams to enhance developer productivity and streamline ... These squads oversee the Core Platform, Core Data (including blockchain integrations), Developer Experience ... Solid understanding of CI/CD processes, cloud‑native tools, and developer productivity enhancements.

Weare searching for a Node.js developer for amotivated engineering team toplay apivotal role inbuilding ... maintain scalable, high-performance full-stack web applications Implement low-latency, high-availability backend

for anexperienced AI Engineer (Python Backend)to join our team building backend systems forGenAI-powered ... We're hiring: AI Engineer (Python Backend) – Build GenAI Systems for Global ClientsWe're looking ... for enterprise-grade environments Location: Fully remote / Europe-basedYour missionDesign and develop backend ... logic, memory handling, and multi-agent collaboration — using LangChain and LangGraphBuild APIs and backend ... with global frontend, DevOps, and data science teams across the US and EuropeYou bring3–4+ years of backend

The international IT сompany Andersen invites a Full Stack Developer (Angular+.NET) to work on large-scale ... Strong proficiency in .NET Core / .NET 6/7 for backend development. ... Writing unit and integration tests for both frontend and backend components. ... Responsibilities Developing and maintaining web applications using Angular (frontend) and .NET (backend

solutions according to functional and technical design specificationsWeb and Java development of Frontend Backend ... Invoicing Statement Book Keeping Fees Interchange Cash Fee etcAt least 5 years of work as a senior software developer

helping our customers achieve their business and IT strategies.Job DescriptionAs a Front-end React Developer ... skills are required.ResponsibilitiesDevelop and maintain frontend features using React.Collaborate with backend

Senior Python Backend Engineer (Microservices & GCP)Digital : PythonPL- Warsaw8-10 YrsEnglishOnsite6 ... technologies related to microservices and cloud computing.Requirements Proven experience as a Python developer

operating in the liquid gas and fuel sector we are looking for candidates for the position of: Frontend Developer ... in design decisions Conducting code reviews and ensuring high code quality Close collaboration with backend

operating in the liquid gas and fuel sector we are looking for candidates for the position of: Mule Soft Developer ... Mastery of GitHub workflows (CI/CD, pull requests, branching) Close collaboration with architects, backend

C# Developer - M/F/D112_260001IQ-enObowiązkiBuilding, delivering, and running the application, using ... delivered.Performing non-regression tests.WymaganiaYou have minimum 3 years of professional experience in C# backend

Collaboration within an interdisciplinary, self-sufficient team including: DevOps (ensuring a great Developer ... Responsibilities Lead, mentor, and grow a team of talented Frontend/Full Stack and Backend engineers, ... Experience), database experts, backend developers, product designers, and QA engineers; Hardware and ... stakeholders from Ads layouts creation teams (designers, graphic specialists), and the core Bidding Platform backend

We are looking for a Senior Java Developer to join our team. ... The platform will provide a federated GraphQL interface that unifies access to multiple backend services ... practices for code hygiene and organization Experience and skills you need to join us: 5+ years of backend ... and maintain the server-side logic of our applications using Java Implement efficient and performant backend